3.Ifneeded,removetheheatsinkandfanassemblyfromthesystemboard.See“Removingtheheat
sinkandfanassembly”onpage95
.
Notes:
•Whenhandlingtheheatsinkandfanassembly,donottouchthethermalgreaseonthebottomofit.
•Beforeinstallingthenewheatsinkandfanassembly,usethecleaningpadthatcomeswiththenew
heatsinkandfanassemblytowipethethermalgreasefromthetopoftheCPU.Disposeofthe
cleaningpadafterallthermalgreaseisremovedfromtheCPU.
4.Placethenewheatsinkandfanassemblyonthesystemboardsothatscrewsonthenewheatsinkand
fanassemblyareinsertedintothecorrespondingholesonthesystemboard.Notetheorientationofthe
newheatsinkandfanassemblyandensurethatyouproperlyplaceitsothatyoucaneasilyconnectthe
heatsinkandfanassemblycabletotheCPUfanconnectoronthesystemboard.
5.Installthefourscrewstosecurethenewheatsinkandfanassemblyonthesystemboard.Itis
recommendedthatyoucarefullyinstallthefourscrewsusingthefollowingmethodtoavoidanypossible
damagetothesystemboard.
a.Partiallytightenscrew1,thenfirmlytightenscrew2,andthenreturntoscrew1andfirmlytighten
it.Donotover-tightenthescrews.
b.Partiallytightenscrew3,thenfirmlytightenscrew4,andthenreturntoscrew3andfirmlytighten
it.Donotover-tightenthescrews.
Figure68.Installingthescrewstosecuretheheatsinkandfanassemblyandthebackplane
6.ConnecttheheatsinkandfanassemblycabletotheCPUfanconnectoronthesystemboard.See
“Systemboardcomponents”onpage33.
Note:Iftheheatsinkandfanassemblycableislong,looselywrapit.
ThinkServerRAIDSuperCapacitorModule
TheThinkServerRAIDSuperCapacitorModuleprotectsthecachememoryontheinstalledThinkServer
RAIDcard.
Chapter5.Replacinghardware97